Beginning Flutter Debugging

Learn the basics of debugging and explore how to resolve common errors that Flutter developers face during app development. By Emmanuel Okiche.

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Who is this for?

Beginner developers who are interested in learning efficient and effective ways to resolve coding errors. It is expected that you have a decent understanding of Flutter and Dart as well as being familiar with Visual Studio Code and/or Android Studio.

Covered concepts

  • Debugging Errors
  • Solve Layout Errors
  • Code Linting
  • Dart Devtools

Part 1: Beginning Flutter Debugging

01
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A brief overview of the concept of debugging, how a debugger works and Flutter’s approach to debugging apps.

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Get to know how to use the breakpoint feature in VS Code and learn about its controls and how they affect code navigation.

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Learn how to monitor and watch the value of variables as you progress through your code when it hits a breakpoint.

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Learn about the call stack during a debug session and see how the app responds at different levels in the stack.

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Use the knowledge you’ve gotten so far to find and fix a bug.

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Learn to use the debugger integrated with Android Studio and explore other debugging features it provides.

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Get introduced to this awesome tool which integrates all debugging and profiling features for Dart development in a browser based app.

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Learn how to debug common layout related errors like overflow errors and widgets that don’t display properly.

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ListViews come with their own set of errors and not understanding how they work could make it harder to debug so we’ll tackle common problems that could arise.

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Learn how to read through and understand errors provided in the red screen of death and build the confidence to solve these types of errors.

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Learn about common best practices while coding Flutter apps and optimize the linting tool to make sure you’re writing code that is less prone to common errors.